Having precog abilities didn't guarantee having answers, but it did mean Walker knew when trouble was in a specific area. In this case it was Finland and involved someone associated with Levi and a friend to Walker. So he wants in on this job - even if Levi doesn't have a job there. Yet. However, a quick phone call to Terk confirms Walker's suspicions. And he's already on the move. Ashley's life should have eased up with her move...